/** 
 * @file llfloaterinventory.cpp
 * @brief Implementation of the inventory view and associated stuff.
 *
 * $LicenseInfo:firstyear=2001&license=viewergpl$
 * 
 * Copyright (c) 2001-2009, Linden Research, Inc.
 * 
 * Second Life Viewer Source Code
 * The source code in this file ("Source Code") is provided by Linden Lab
 * to you under the terms of the GNU General Public License, version 2.0
 * ("GPL"), unless you have obtained a separate licensing agreement
 * ("Other License"), formally executed by you and Linden Lab.  Terms of
 * the GPL can be found in doc/GPL-license.txt in this distribution, or
 * online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
 * 
 * There are special exceptions to the terms and conditions of the GPL as
 * it is applied to this Source Code. View the full text of the exception
 * in the file doc/FLOSS-exception.txt in this software distribution, or
 * online at
 * http://secondlifegrid.net/programs/open_source/licensing/flossexception
 * 
 * By copying, modifying or distributing this software, you acknowledge
 * that you have read and understood your obligations described above,
 * and agree to abide by those obligations.
 * 
 * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
 * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
 * COMPLETENESS OR PERFORMANCE.
 * $/LicenseInfo$
 */

#include "llviewerprecompiledheaders.h"

#include <utility> // for std::pair<>

#include "llinventoryfunctions.h"

// library includes
#include "llagent.h"
#include "llagentwearables.h"
#include "llcallingcard.h"
#include "llfloaterreg.h"
#include "llinventorydefines.h"
#include "llsdserialize.h"
#include "llfiltereditor.h"
#include "llspinctrl.h"
#include "llui.h"
#include "message.h"

// newview includes
#include "llappearancemgr.h"
#include "llappviewer.h"
//#include "llfirstuse.h"
#include "llfloatercustomize.h"
#include "llfocusmgr.h"
#include "llfolderview.h"
#include "llgesturemgr.h"
#include "lliconctrl.h"
#include "llimview.h"
#include "llinventorybridge.h"
#include "llinventoryclipboard.h"
#include "llinventorymodel.h"
#include "llinventorypanel.h"
#include "lllineeditor.h"
#include "llmenugl.h"
#include "llpreviewanim.h"
#include "llpreviewgesture.h"
#include "llpreviewnotecard.h"
#include "llpreviewscript.h"
#include "llpreviewsound.h"
#include "llpreviewtexture.h"
#include "llresmgr.h"
#include "llscrollbar.h"
#include "llscrollcontainer.h"
#include "llselectmgr.h"
#include "lltabcontainer.h"
#include "lltooldraganddrop.h"
#include "lluictrlfactory.h"
#include "llviewermessage.h"
#include "llviewerobjectlist.h"
#include "llviewerregion.h"
#include "llviewerwindow.h"
#include "llvoavatarself.h"
#include "llwearablelist.h"

BOOL LLInventoryState::sWearNewClothing = FALSE;
LLUUID LLInventoryState::sWearNewClothingTransactionID;


///----------------------------------------------------------------------------
/// LLInventoryCollectFunctor implementations
///----------------------------------------------------------------------------

// static
bool LLInventoryCollectFunctor::itemTransferCommonlyAllowed(LLInventoryItem* item)
{
	if (!item)
		return false;

	bool allowed = false;

	switch(item->getType())
	{
		case LLAssetType::AT_CALLINGCARD:
			// not allowed
			break;
			
		case LLAssetType::AT_OBJECT:
			if (isAgentAvatarValid() && !gAgentAvatarp->isWearingAttachment(item->getUUID()))
			{
				allowed = true;
			}
			break;
			
		case LLAssetType::AT_BODYPART:
		case LLAssetType::AT_CLOTHING:
			if(!gAgentWearables.isWearingItem(item->getUUID()))
			{
				allowed = true;
			}
			break;
		default:
			allowed = true;
			break;
	}
	
	return allowed;
}

bool LLIsType::operator()(LLInventoryCategory* cat, LLInventoryItem* item)
{
	if(mType == LLAssetType::AT_CATEGORY)
	{
		if(cat) return TRUE;
	}
	if(item)
	{
		if(item->getType() == mType) return TRUE;
	}
	return FALSE;
}

bool LLIsNotType::operator()(LLInventoryCategory* cat, LLInventoryItem* item)
{
	if(mType == LLAssetType::AT_CATEGORY)
	{
		if(cat) return FALSE;
	}
	if(item)
	{
		if(item->getType() == mType) return FALSE;
		else return TRUE;
	}
	return TRUE;
}

bool LLIsTypeWithPermissions::operator()(LLInventoryCategory* cat, LLInventoryItem* item)
{
	if(mType == LLAssetType::AT_CATEGORY)
	{
		if(cat) 
		{
			return TRUE;
		}
	}
	if(item)
	{
		if(item->getType() == mType)
		{
			LLPermissions perm = item->getPermissions();
			if ((perm.getMaskBase() & mPerm) == mPerm)
			{
				return TRUE;
			}
		}
	}
	return FALSE;
}

bool LLBuddyCollector::operator()(LLInventoryCategory* cat,
								  LLInventoryItem* item)
{
	if(item)
	{
		if((LLAssetType::AT_CALLINGCARD == item->getType())
		   && (!item->getCreatorUUID().isNull())
		   && (item->getCreatorUUID() != gAgent.getID()))
		{
			return true;
		}
	}
	return false;
}


bool LLUniqueBuddyCollector::operator()(LLInventoryCategory* cat,
										LLInventoryItem* item)
{
	if(item)
	{
		if((LLAssetType::AT_CALLINGCARD == item->getType())
 		   && (item->getCreatorUUID().notNull())
 		   && (item->getCreatorUUID() != gAgent.getID()))
		{
			mSeen.insert(item->getCreatorUUID());
			return true;
		}
	}
	return false;
}


bool LLParticularBuddyCollector::operator()(LLInventoryCategory* cat,
											LLInventoryItem* item)
{
	if(item)
	{
		if((LLAssetType::AT_CALLINGCARD == item->getType())
		   && (item->getCreatorUUID() == mBuddyID))
		{
			return TRUE;
		}
	}
	return FALSE;
}


bool LLNameCategoryCollector::operator()(
	LLInventoryCategory* cat, LLInventoryItem* item)
{
	if(cat)
	{
		if (!LLStringUtil::compareInsensitive(mName, cat->getName()))
		{
			return true;
		}
	}
	return false;
}

bool LLFindCOFValidItems::operator()(LLInventoryCategory* cat,
									 LLInventoryItem* item)
{
	// Valid COF items are:
	// - links to wearables (body parts or clothing)
	// - links to attachments
	// - links to gestures
	// - links to ensemble folders
	LLViewerInventoryItem *linked_item = ((LLViewerInventoryItem*)item)->getLinkedItem();
	if (linked_item)
	{
		LLAssetType::EType type = linked_item->getType();
		return (type == LLAssetType::AT_CLOTHING ||
				type == LLAssetType::AT_BODYPART ||
				type == LLAssetType::AT_GESTURE ||
				type == LLAssetType::AT_OBJECT);
	}
	else
	{
		LLViewerInventoryCategory *linked_category = ((LLViewerInventoryItem*)item)->getLinkedCategory();
		// BAP remove AT_NONE support after ensembles are fully working?
		return (linked_category &&
				((linked_category->getPreferredType() == LLFolderType::FT_NONE) ||
				 (LLFolderType::lookupIsEnsembleType(linked_category->getPreferredType()))));
	}
}

bool LLFindWearables::operator()(LLInventoryCategory* cat,
								 LLInventoryItem* item)
{
	if(item)
	{
		if((item->getType() == LLAssetType::AT_CLOTHING)
		   || (item->getType() == LLAssetType::AT_BODYPART))
		{
			return TRUE;
		}
	}
	return FALSE;
}

///----------------------------------------------------------------------------
/// LLAssetIDMatches 
///----------------------------------------------------------------------------
bool LLAssetIDMatches::operator()(LLInventoryCategory* cat, LLInventoryItem* item)
{
	return (item && item->getAssetUUID() == mAssetID);
}

///----------------------------------------------------------------------------
/// LLLinkedItemIDMatches 
///----------------------------------------------------------------------------
bool LLLinkedItemIDMatches::operator()(LLInventoryCategory* cat, LLInventoryItem* item)
{
	return (item && 
			(item->getIsLinkType()) &&
			(item->getLinkedUUID() == mBaseItemID)); // A linked item's assetID will be the compared-to item's itemID.
}

void LLSaveFolderState::setApply(BOOL apply)
{
	mApply = apply; 
	// before generating new list of open folders, clear the old one
	if(!apply) 
	{
		clearOpenFolders(); 
	}
}

void LLSaveFolderState::doFolder(LLFolderViewFolder* folder)
{
	LLMemType mt(LLMemType::MTYPE_INVENTORY_DO_FOLDER);
	if(mApply)
	{
		// we're applying the open state
		LLInvFVBridge* bridge = (LLInvFVBridge*)folder->getListener();
		if(!bridge) return;
		LLUUID id(bridge->getUUID());
		if(mOpenFolders.find(id) != mOpenFolders.end())
		{
			folder->setOpen(TRUE);
		}
		else
		{
			// keep selected filter in its current state, this is less jarring to user
			if (!folder->isSelected())
			{
				folder->setOpen(FALSE);
			}
		}
	}
	else
	{
		// we're recording state at this point
		if(folder->isOpen())
		{
			LLInvFVBridge* bridge = (LLInvFVBridge*)folder->getListener();
			if(!bridge) return;
			mOpenFolders.insert(bridge->getUUID());
		}
	}
}

void LLOpenFilteredFolders::doItem(LLFolderViewItem *item)
{
	if (item->getFiltered())
	{
		item->getParentFolder()->setOpenArrangeRecursively(TRUE, LLFolderViewFolder::RECURSE_UP);
	}
}

void LLOpenFilteredFolders::doFolder(LLFolderViewFolder* folder)
{
	if (folder->getFiltered() && folder->getParentFolder())
	{
		folder->getParentFolder()->setOpenArrangeRecursively(TRUE, LLFolderViewFolder::RECURSE_UP);
	}
	// if this folder didn't pass the filter, and none of its descendants did
	else if (!folder->getFiltered() && !folder->hasFilteredDescendants())
	{
		folder->setOpenArrangeRecursively(FALSE, LLFolderViewFolder::RECURSE_NO);
	}
}

void LLSelectFirstFilteredItem::doItem(LLFolderViewItem *item)
{
	if (item->getFiltered() && !mItemSelected)
	{
		item->getRoot()->setSelection(item, FALSE, FALSE);
		if (item->getParentFolder())
		{
			item->getParentFolder()->setOpenArrangeRecursively(TRUE, LLFolderViewFolder::RECURSE_UP);
		}
		item->getRoot()->scrollToShowSelection();
		mItemSelected = TRUE;
	}
}

void LLSelectFirstFilteredItem::doFolder(LLFolderViewFolder* folder)
{
	if (folder->getFiltered() && !mItemSelected)
	{
		folder->getRoot()->setSelection(folder, FALSE, FALSE);
		if (folder->getParentFolder())
		{
			folder->getParentFolder()->setOpenArrangeRecursively(TRUE, LLFolderViewFolder::RECURSE_UP);
		}
		folder->getRoot()->scrollToShowSelection();
		mItemSelected = TRUE;
	}
}

void LLOpenFoldersWithSelection::doItem(LLFolderViewItem *item)
{
	if (item->getParentFolder() && item->isSelected())
	{
		item->getParentFolder()->setOpenArrangeRecursively(TRUE, LLFolderViewFolder::RECURSE_UP);
	}
}

void LLOpenFoldersWithSelection::doFolder(LLFolderViewFolder* folder)
{
	if (folder->getParentFolder() && folder->isSelected())
	{
		folder->getParentFolder()->setOpenArrangeRecursively(TRUE, LLFolderViewFolder::RECURSE_UP);
	}
}

static void assign_clothing_bodypart_icon(EInventoryIcon &idx, U32 attachment_point)
{
	const EWearableType wearable_type = EWearableType(LLInventoryItemFlags::II_FLAGS_WEARABLES_MASK & attachment_point);
	switch(wearable_type)
	{
		case WT_SHAPE:
			idx = BODYPART_SHAPE_ICON_NAME;
			break;
		case WT_SKIN:
			idx = BODYPART_SKIN_ICON_NAME;
			break;
		case WT_HAIR:
			idx = BODYPART_HAIR_ICON_NAME;
			break;
		case WT_EYES:
			idx = BODYPART_EYES_ICON_NAME;
			break;
		case WT_SHIRT:
			idx = CLOTHING_SHIRT_ICON_NAME;
			break;
		case WT_PANTS:
			idx = CLOTHING_PANTS_ICON_NAME;
			break;
		case WT_SHOES:
			idx = CLOTHING_SHOES_ICON_NAME;
			break;
		case WT_SOCKS:
			idx = CLOTHING_SOCKS_ICON_NAME;
			break;
		case WT_JACKET:
			idx = CLOTHING_JACKET_ICON_NAME;
			break;
		case WT_GLOVES:
			idx = CLOTHING_GLOVES_ICON_NAME;
			break;
		case WT_UNDERSHIRT:
			idx = CLOTHING_UNDERSHIRT_ICON_NAME;
			break;
		case WT_UNDERPANTS:
			idx = CLOTHING_UNDERPANTS_ICON_NAME;
			break;
		case WT_SKIRT:
			idx = CLOTHING_SKIRT_ICON_NAME;
			break;
		case WT_ALPHA:
			idx = CLOTHING_ALPHA_ICON_NAME;
			break;
		case WT_TATTOO:
			idx = CLOTHING_TATTOO_ICON_NAME;
			break;
		default:
			break;
	}
}
										  

const std::string& get_item_icon_name(LLAssetType::EType asset_type,
							 LLInventoryType::EType inventory_type,
							 U32 attachment_point,
							 BOOL item_is_multi )
{
	EInventoryIcon idx = OBJECT_ICON_NAME;
	if ( item_is_multi )
	{
		idx = OBJECT_MULTI_ICON_NAME;
	}
	
	switch(asset_type)
	{
	case LLAssetType::AT_TEXTURE:
		if(LLInventoryType::IT_SNAPSHOT == inventory_type)
		{
			idx = SNAPSHOT_ICON_NAME;
		}
		else
		{
			idx = TEXTURE_ICON_NAME;
		}
		break;

	case LLAssetType::AT_SOUND:
		idx = SOUND_ICON_NAME;
		break;
	case LLAssetType::AT_CALLINGCARD:
		if(attachment_point!= 0)
		{
			idx = CALLINGCARD_ONLINE_ICON_NAME;
		}
		else
		{
			idx = CALLINGCARD_OFFLINE_ICON_NAME;
		}
		break;
	case LLAssetType::AT_LANDMARK:
		if(attachment_point!= 0)
		{
			idx = LANDMARK_VISITED_ICON_NAME;
		}
		else
		{
			idx = LANDMARK_ICON_NAME;
		}
		break;
	case LLAssetType::AT_SCRIPT:
	case LLAssetType::AT_LSL_TEXT:
	case LLAssetType::AT_LSL_BYTECODE:
		idx = SCRIPT_ICON_NAME;
		break;
	case LLAssetType::AT_CLOTHING:
		idx = CLOTHING_ICON_NAME;
		assign_clothing_bodypart_icon(idx, attachment_point);
		break;
	case LLAssetType::AT_BODYPART:
		idx = BODYPART_ICON_NAME;
		assign_clothing_bodypart_icon(idx, attachment_point);
		break;
	case LLAssetType::AT_NOTECARD:
		idx = NOTECARD_ICON_NAME;
		break;
	case LLAssetType::AT_ANIMATION:
		idx = ANIMATION_ICON_NAME;
		break;
	case LLAssetType::AT_GESTURE:
		idx = GESTURE_ICON_NAME;
		break;
	case LLAssetType::AT_LINK:
		idx = LINKITEM_ICON_NAME;
		break;
	case LLAssetType::AT_LINK_FOLDER:
		idx = LINKFOLDER_ICON_NAME;
		break;
	case LLAssetType::AT_MESH:
		idx = MESH_ICON_NAME;
		break;
	default:
		break;
	}
	
	return ICON_NAME[idx];
}

LLUIImagePtr get_item_icon(LLAssetType::EType asset_type,
							 LLInventoryType::EType inventory_type,
							 U32 attachment_point,
							 BOOL item_is_multi)
{
	const std::string& icon_name = get_item_icon_name(asset_type, inventory_type, attachment_point, item_is_multi );
	return LLUI::getUIImage(icon_name);
}

BOOL get_is_item_worn(const LLUUID& id)
{
	const LLViewerInventoryItem* item = gInventory.getItem(id);
	if (!item)
		return FALSE;
	
	switch(item->getType())
	{
		case LLAssetType::AT_OBJECT:
		{
			if (isAgentAvatarValid() && gAgentAvatarp->isWearingAttachment(item->getLinkedUUID()))
				return TRUE;
			break;
		}
		case LLAssetType::AT_BODYPART:
		case LLAssetType::AT_CLOTHING:
			if(gAgentWearables.isWearingItem(item->getLinkedUUID()))
				return TRUE;
			break;
		case LLAssetType::AT_GESTURE:
			if (LLGestureMgr::instance().isGestureActive(item->getLinkedUUID()))
				return TRUE;
			break;
		default:
			break;
	}
	return FALSE;
}